Click on the third or sixth rank to set the en passant target square.

EGTB: win in 2 half-moves

# move score
1 Rg8 win in 1 half-moves
2 Kb2 draw
3 Kb3 draw
4 Kg4 draw
5 Kg5 draw
6 Kg6 draw
7 Kh4 draw
8 Kh6 draw
9 Ra4 draw
10 Ra5 draw
11 Ra6 draw
12 Ra7 draw
13 Rb8 draw
14 Rd8 draw
15 Re8 draw
16 Rf8 draw
17 Rh8 draw
18 Ka2 loss in 2 half-moves
19 Ka4 loss in 2 half-moves
20 Kb4 loss in 2 half-moves
21 Rc8 loss in 1 half-moves